Reindex features by their first coordinates so they coalesce better

2026-10-02 16:35:40 +02:00 · 2014-10-21 16:16:09 -07:00
parent 9dab4b9fb6
commit 1cae0e85b3
1 changed files with 5 additions and 1 deletions
@@ -992,7 +992,11 @@ long long write_tile(struct index *start, struct index *end, char *metabase, uns
 				struct coalesce c;

 				c.type = t;
-				c.index = i->index;
+				if (geom.size() > 0) {
+					c.index = encode(geom[0].x, geom[0].y);
+				} else {
+					c.index = i->index;
+				}
 				c.geom = geom;
 				c.metasrc = meta;
 				c.coalesced = false;